Garlic scapes are the stalks that grow out of garlic bulbs in the ground and are often found at markets in late spring and early summer, as they're harvested to encourage the plant to put all of its energy into the development of the bulb (instead of the bloom that the scapes would eventually become). Scapes have the flavor of garlic, but it's much milder than the full cloves. They can be used as you would garlic or scallions in any dish--eaten raw or cooked. Just trim the stringy tops and then use the rest cut up into pasta, eggs, blended into pesto...the list goes on!